EP1026711A2 - Commande de commutation pour un sectionneur - Google Patents

Commande de commutation pour un sectionneur Download PDF

Info

Publication number
EP1026711A2
EP1026711A2 EP00101481A EP00101481A EP1026711A2 EP 1026711 A2 EP1026711 A2 EP 1026711A2 EP 00101481 A EP00101481 A EP 00101481A EP 00101481 A EP00101481 A EP 00101481A EP 1026711 A2 EP1026711 A2 EP 1026711A2
Authority
EP
European Patent Office
Prior art keywords
switch
driver
switching
shaft
earth
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP00101481A
Other languages
German (de)
English (en)
Other versions
EP1026711A3 (fr
EP1026711B1 (fr
Inventor
Albert Dipl.-Ing. Bogner
Rolf Dirks
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Felten and Guilleaume AG
Original Assignee
Felten and Guilleaume AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Felten and Guilleaume AG filed Critical Felten and Guilleaume AG
Publication of EP1026711A2 publication Critical patent/EP1026711A2/fr
Publication of EP1026711A3 publication Critical patent/EP1026711A3/fr
Application granted granted Critical
Publication of EP1026711B1 publication Critical patent/EP1026711B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
    • H01H3/30—Power arrangements internal to the switch for operating the driving mechanism using spring motor
    • H01H3/3047—Power arrangements internal to the switch for operating the driving mechanism using spring motor adapted for operation of a three-position switch, e.g. on-off-earth

Definitions

  • the invention relates to a switching drive for a circuit breaker with the switch positions ON-OFF-GROUNDED, especially for switching off high currents in gas-insulated Medium voltage switchgear.
  • Switch drives are used to transmit power from the outside of a switchgear to an in this switchgear located, for example to a switch disconnector or circuit breaker.
  • EP 0508041 A1 describes such a spring-loaded switching drive for a switching device with the Switch positions ON-OFF-GROUNDED described.
  • This switching drive essentially has an actuating shaft for actuating a shift shaft and the associated with it Switch knives (switch actuation shaft) for switching the multi-pole ON and OFF Switching device, an earth actuating shaft for actuating the switching shaft for switching the Switch blade in the GROUNDED position and a closing spring and a closing spring open, via separate mechanical coupling links with a drive shaft for switching on and off of the switching device are connected.
  • Shift shaft lever arranged non-rotatably, one arm with one with the switch actuation shaft connected switch driver and its other arm with one with the earth actuation shaft connected earth driver is in operative connection.
  • the drivers are arranged transversely to the two mutually parallel actuating shafts and movable each have a guide link with freewheel for with the respective arm of the shift shaft lever connected driving link.
  • the object of the invention is to provide a switching drive with the switching positions ON-OFF-GROUNDED to design according to the preamble of claim 1 so that it takes up the same space and essentially the same actuation energies, especially for normal ones Shifting by hand, mechanically and dynamically more resilient.
  • the invention is that the two-armed gearshift lever with one arm with a switch driver and with his other arm with an earth driver over each have a guide link formed on them and one arranged on the respective arm Driver element is in operative connection, is designed so that the switch driver side Arm of the selector shaft lever on the side facing away from the two actuating shafts arranged at an obtuse angle to the arm on the earth driver side and opposite it is considerably extended, and that the guide link of the switch driver on the switching shaft lever side at a distance from the driving element in the OFF switch position for swiveling it into the GROUNDED position.
  • the angled and Extended shift shaft lever enables the transmission of a much higher torque with an otherwise unchanged spatial assignment of the coupling elements; so even with almost unchanged housing dimensions.
  • the guide link of the switch driver expanded in the area of the swivel path of the driving element. In the narrower area, the is relevant for switching the switch from OFF to ON and back designed so that it transversely to the driving element in both directions of movement the actuation shafts detected.
  • the shift shaft lever remains with its driving element in its free mobility in the earth driver essentially unaffected.
  • the obtuse angle is in the range from 120 to 150 °, but preferably 135 °. This Angle allows the lever arm of the selector shaft lever to be considerably by a factor of 1.3 to 1.7, preferably to extend 1.5 times (50%) without the position of the Switch driver must be changed significantly.
  • the switch drive can also be equipped with an earth driver open on the switching shaft side his.
  • the switching drive shown in the figures (especially Fig. 1) has a switch actuation shaft 1, an articulated switch driver 2, an earth actuation shaft 3, an earth driver 4 articulated on this, one with the switching knives of Phases via a connecting rod (not shown) coupled switching shaft 5 and one with this non-rotatably connected two-armed shift shaft lever 6.
  • a driving pin 7 is arranged, which with one on the respective driver 2 and 4 formed guide link 8 and 9 is engaged.
  • Carriers 2 and 4 are movably arranged transversely to the actuating shafts 1 and 3 and by rotation the same can be moved in this transverse direction.
  • the switch driver 2 On the switch actuation shaft 1 engages one between two switching spring levers arranged spring suspension bolts 10 one on a spring guide rod 11 guided switching spring 12.
  • the switch driver 2 is on one of the Switch actuating shaft 1 arranged bushing 13 and is also with a Switch-off spring AF in operative connection, via which a switch-off pulse on the switch actuation shaft 1 can be brought.
  • the shift shaft lever 6 is between the switch driver 2 and the earth driver 4 and arranged by these drivers around the axis A. the control shaft 5 pivotable.
  • the arm 6a of the shift shaft lever 6 on the switch driver side is on the side facing away from the two actuating shafts 1 and 3 at an obtuse angle ⁇ angled from 135 ° to the earth driver arm 6b and 50% longer than this educated.
  • the guide link 8 of the switch driver 2 is in a switch shaft lever 6 facing away Area designed U-shaped and provides two opposite stop surfaces 8a and 8b for the driving pin 7.
  • the guide link 8 is too wide to open and points to a slope 14 on the side facing away from the actuating shafts 1 and 3. This is essentially tangential to the swivel path RB of the driver pin in the OFF switch position (U) 7 and in the immediate vicinity - game S - to this, the slope 14th at a distance B from that by the driving pin 7 in this position certain perpendicular to the actuating shafts 1 and 3 begins.
  • the Shift shaft lever 6 When turning the Shift shaft lever 6 completely moves the driving element 7 out of the inner contour of the Shift driver 2 out. To avoid inadmissible friction and to compensate for tolerances the small distance (game S) is helpful here.
  • the shift driver 2 takes the shift shaft lever 6 via the driving element 7 with.
  • the distance B ensures that the driving element 7 the inner surface of the shift driver 2 comes to a full support and not the slope 14 is engaged.
  • a guide rail 15 is arranged to maintain the predetermined direction of movement, with which the switch driver 2 is engaged.
  • the switch actuation shaft 1 is activated by a Hand rotation over a crank that can be inserted from the outside so far that the Switch spring 12 moves over the dead center and thereby a rotation jump of the switch actuation shaft 1 is triggered.
  • the switch driver 2 is transverse to the switch actuation shaft 1 in the ON switch position (E) shown in Fig. 2 (stroke H1), wherein the driving pin 7 located in the guide link 8 is gripped by the stop surface 8b is and the shift shaft lever 6, the shift shaft 5 and the shift knife clockwise in the switch position ON (E) swings.
  • the switch can be returned to the OFF (U) position, wherein the switch driver 2 detects the driving pin 7 with its stop surface 8a and the shift shaft lever 6 and thus the shift shaft 5 rotated counterclockwise.
  • the switch From the OFF switch position (U), the switch can be switched to the GROUNDED switch position (R) be switched.
  • the earth actuation shaft 3 is actuated and the one articulated on it Earth driver 4 moves (stroke H2), which engages with the driving pin 7 and thus the selector shaft lever 6, the selector shaft 5 and the switching knife in Pivots counterclockwise to the GROUNDED position (R) as shown in FIG. 3.
  • the driver pin 7 on the switch driver side is open from the switch shaft lever side Guide link 8 of the switch driver 2 swung out along the slope 14 formed there.
  • the switch driver 2 remains in its OFF position (U).
  • a downshift the switch to the OFF switch position (U) is caused by a reverse movement of the earth driver 4 causes.
  • the drive driver-side driver pin 7 occurs again the guide link 8.

Landscapes

  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Keying Circuit Devices (AREA)
  • Mechanisms For Operating Contacts (AREA)
EP00101481A 1999-02-06 2000-01-26 Commande de commutation pour un sectionneur Expired - Lifetime EP1026711B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19904931A DE19904931C2 (de) 1999-02-06 1999-02-06 Schaltantrieb für einen Leistungstrennschalter
DE19904931 1999-02-06

Publications (3)

Publication Number Publication Date
EP1026711A2 true EP1026711A2 (fr) 2000-08-09
EP1026711A3 EP1026711A3 (fr) 2002-11-13
EP1026711B1 EP1026711B1 (fr) 2005-04-20

Family

ID=7896692

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00101481A Expired - Lifetime EP1026711B1 (fr) 1999-02-06 2000-01-26 Commande de commutation pour un sectionneur

Country Status (5)

Country Link
EP (1) EP1026711B1 (fr)
AT (1) ATE293837T1 (fr)
DE (2) DE19904931C2 (fr)
ES (1) ES2239947T3 (fr)
NO (1) NO319304B1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1901323A1 (fr) * 2006-09-14 2008-03-19 Areva T&D SA Mécanisme d'interrupteur sectionneur de terre

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202008004868U1 (de) 2008-04-08 2008-06-12 Fritz Driescher KG Spezialfabrik für Elektrizitätswerksbedarf GmbH & Co. Schaltantrieb für einen Leistungstrennschalter

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3150243A (en) * 1962-01-24 1964-09-22 Gen Electric Three position, snap action rotary switch
EP0058585A1 (fr) * 1981-02-13 1982-08-25 Merlin Gerin Mécanisme de manoeuvre pour appareillage de commutation électrique à trois positions distinctes
US4681988A (en) * 1985-01-16 1987-07-21 Associated Electrical Industries Limited Switch selector mechanism
US4916268A (en) * 1987-03-27 1990-04-10 Merlin Gerin Operating mechanism of a three-position switch
EP0508041A1 (fr) * 1991-04-12 1992-10-14 Felten & Guilleaume Energietechnik AG Commande de commutation pour appareils électriques à moyenne tension

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1915566A1 (de) * 1969-03-27 1970-10-08 Kurt Fend Verschlusskappe
DE4335967A1 (de) * 1993-10-21 1995-04-27 Sachsenwerk Ag Mittelspannungs-Schaltgeräte

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3150243A (en) * 1962-01-24 1964-09-22 Gen Electric Three position, snap action rotary switch
EP0058585A1 (fr) * 1981-02-13 1982-08-25 Merlin Gerin Mécanisme de manoeuvre pour appareillage de commutation électrique à trois positions distinctes
US4681988A (en) * 1985-01-16 1987-07-21 Associated Electrical Industries Limited Switch selector mechanism
US4916268A (en) * 1987-03-27 1990-04-10 Merlin Gerin Operating mechanism of a three-position switch
EP0508041A1 (fr) * 1991-04-12 1992-10-14 Felten & Guilleaume Energietechnik AG Commande de commutation pour appareils électriques à moyenne tension

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1901323A1 (fr) * 2006-09-14 2008-03-19 Areva T&D SA Mécanisme d'interrupteur sectionneur de terre
FR2906074A1 (fr) * 2006-09-14 2008-03-21 Areva T & D Sa Mecanisme d'interrupteur sectionneur de terre
CN101145466B (zh) * 2006-09-14 2012-07-18 阿雷瓦T&D股份公司 接地开关转换机构

Also Published As

Publication number Publication date
NO319304B1 (no) 2005-07-11
EP1026711A3 (fr) 2002-11-13
DE50010068D1 (de) 2005-05-25
NO20000567L (no) 2000-08-07
ES2239947T3 (es) 2005-10-16
EP1026711B1 (fr) 2005-04-20
ATE293837T1 (de) 2005-05-15
DE19904931C2 (de) 2001-11-29
DE19904931A1 (de) 2000-08-31
NO20000567D0 (no) 2000-02-04

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